I see many new construction townhomes with rooftop patios divided by a low fence. Your neighbor could literally step right over to your rooftop. Anyone own one of these? Is it expected that you’re friends with your neighbors and hangout together on a sunny day? Or do you schedule weekend parties to not overlap?
If your neighbor had an open door would you walk in? Would it be any less of a trespass?
Would you step onto your neighbors private yard? Same thing...